Certified Ethical Hacker (CEH) — Question 49

Which of the following is a detective control?

Answer options

• A. Smart card authentication
• B. Security policy
• C. Audit trail
• D. Continuity of operations plan

Correct answer: C

Explanation

The correct answer is C, Audit trail, as it is designed to track and monitor activity, allowing for the detection of unauthorized actions. Options A and B are preventative measures that help secure systems, while D focuses on maintaining operations during disruptions, not on detecting incidents.